Q: What is the sum of all factors of the number 404,120 excluding 404,120?
A: 505,240
The factors of the number 404,120 are: 1, 2, 4, 5, 8, 10, 20, 40, 10103, 20206, 40412, 50515, 80824, 101030, 202060, 404120.
If you add them up, you will get the total of 404,625. Now subtract 404,120 to get 505,240